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The RYOBI 89100121090 is an OEM brush holder designed as a direct replacement component for RYOBI and RIDGID lawn mowing equipment. The brush holder serves as a mounting and retaining assembly for motor brushes within the mower's drive system, maintaining consistent brush contact and supporting reliable motor operation. This is an original equipment manufacturer part, meaning it meets the same specifications as the component installed at the factory. Licensed technicians and experienced equipment service professionals typically handle brush holder replacement as part of motor maintenance or when brush wear causes performance issues.
This brush holder is intended for use in RYOBI and RIDGID branded lawn mowing equipment where the original 89100121090 component requires replacement. It is suited to residential lawn mower applications and is installed as part of routine motor servicing when brush contact surfaces degrade or the holder itself becomes damaged. Use of an OEM part ensures proper fitment within the motor housing without modification.
Designed as an OEM replacement brush holder for compatible RYOBI and RIDGID lawn mowing equipment requiring part number 89100121090.
Brush holder replacement should be performed by a qualified small engine or power equipment technician. Disconnect and remove the battery or unplug the unit completely before beginning any disassembly. Follow the equipment manufacturer's service documentation for proper motor housing access and brush assembly procedures. Dispose of worn brushes and components in accordance with local regulations.
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